//! moment.js locale configuration
//! locale : Luxembourgish [lb]
//! author : mweimerskirch : https://github.com/mweimerskirch
//! author : David Raison : https://github.com/kwisatz

;(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined'
  && typeof require === 'function' ? factory(require('../moment')) :
    typeof define === 'function' && define.amd ? define(['../moment'], factory) :
      factory(global.moment)
}(this, (function (moment) {
  'use strict';

  //! moment.js locale configuration

  function processRelativeTime(number, withoutSuffix, key, isFuture) {
    var format = {
      m: ['eng Minutt', 'enger Minutt'],
      h: ['eng Stonn', 'enger Stonn'],
      d: ['een Dag', 'engem Dag'],
      M: ['ee Mount', 'engem Mount'],
      y: ['ee Joer', 'engem Joer'],
    };
    return withoutSuffix ? format[key][0] : format[key][1];
  }

  function processFutureTime(string) {
    var number = string.substr(0, string.indexOf(' '));
    if (eifelerRegelAppliesToNumber(number)) {
      return 'a ' + string;
    }
    return 'an ' + string;
  }

  function processPastTime(string) {
    var number = string.substr(0, string.indexOf(' '));
    if (eifelerRegelAppliesToNumber(number)) {
      return 'viru ' + string;
    }
    return 'virun ' + string;
  }

  /**
   * Returns true if the word before the given number loses the '-n' ending.
   * e.g. 'an 10 Deeg' but 'a 5 Deeg'
   *
   * @param number {integer}
   * @returns {boolean}
   */
  function eifelerRegelAppliesToNumber(number) {
    number = parseInt(number, 10);
    if (isNaN(number)) {
      return false;
    }
    if (number < 0) {
      // Negative Number --> always true
      return true;
    } else if (number < 10) {
      // Only 1 digit
      if (4 <= number && number <= 7) {
        return true;
      }
      return false;
    } else if (number < 100) {
      // 2 digits
      var lastDigit = number % 10,
        firstDigit = number / 10;
      if (lastDigit === 0) {
        return eifelerRegelAppliesToNumber(firstDigit);
      }
      return eifelerRegelAppliesToNumber(lastDigit);
    } else if (number < 10000) {
      // 3 or 4 digits --> recursively check first digit
      while (number >= 10) {
        number = number / 10;
      }
      return eifelerRegelAppliesToNumber(number);
    } else {
      // Anything larger than 4 digits: recursively check first n-3 digits
      number = number / 1000;
      return eifelerRegelAppliesToNumber(number);
    }
  }

  var lb = moment.defineLocale('lb', {
    months: 'Januar_Februar_Mäerz_Abrëll_Mee_Juni_Juli_August_September_Oktober_November_Dezember'.split(
      '_'
    ),
    monthsShort: 'Jan._Febr._Mrz._Abr._Mee_Jun._Jul._Aug._Sept._Okt._Nov._Dez.'.split(
      '_'
    ),
    monthsParseExact: true,
    weekdays: 'Sonndeg_Méindeg_Dënschdeg_Mëttwoch_Donneschdeg_Freideg_Samschdeg'.split(
      '_'
    ),
    weekdaysShort: 'So._Mé._Dë._Më._Do._Fr._Sa.'.split('_'),
    weekdaysMin: 'So_Mé_Dë_Më_Do_Fr_Sa'.split('_'),
    weekdaysParseExact: true,
    longDateFormat: {
      LT: 'H:mm [Auer]',
      LTS: 'H:mm:ss [Auer]',
      L: 'DD.MM.YYYY',
      LL: 'D. MMMM YYYY',
      LLL: 'D. MMMM YYYY H:mm [Auer]',
      LLLL: 'dddd, D. MMMM YYYY H:mm [Auer]',
    },
    calendar: {
      sameDay: '[Haut um] LT',
      sameElse: 'L',
      nextDay: '[Muer um] LT',
      nextWeek: 'dddd [um] LT',
      lastDay: '[Gëschter um] LT',
      lastWeek: function () {
        // Different date string for 'Dënschdeg' (Tuesday) and 'Donneschdeg' (Thursday) due to phonological rule
        switch (this.day()) {
          case 2:
          case 4:
            return '[Leschten] dddd [um] LT';
          default:
            return '[Leschte] dddd [um] LT';
        }
      },
    },
    relativeTime: {
      future: processFutureTime,
      past: processPastTime,
      s: 'e puer Sekonnen',
      ss: '%d Sekonnen',
      m: processRelativeTime,
      mm: '%d Minutten',
      h: processRelativeTime,
      hh: '%d Stonnen',
      d: processRelativeTime,
      dd: '%d Deeg',
      M: processRelativeTime,
      MM: '%d Méint',
      y: processRelativeTime,
      yy: '%d Joer',
    },
    dayOfMonthOrdinalParse: /\d{1,2}\./,
    ordinal: '%d.',
    week: {
      dow: 1, // Monday is the first day of the week.
      doy: 4, // The week that contains Jan 4th is the first week of the year.
    },
  });

  return lb;

})));
